@conference {1970, title = {Diet of the Black-Crowned Night-Heron Nycticorax nycticorax nycticorax (L., 1758) at the Kerkini Reservoir, Makedonia, Greece}, booktitle = {10th International Congress on the Zoogeography and Ecology of Greece and Adjacent Regions}, year = {2006}, month = {26-30 June}, publisher = {Hellenic Zoological Society, Hellenic Ornithological Society, Hellenic Ministry of Rural Development, Section of Animal Biology (Dept. Of Biology, Univ. of Patras)}, organization = {Hellenic Zoological Society, Hellenic Ornithological Society, Hellenic Ministry of Rural Development, Section of Animal Biology (Dept. Of Biology, Univ. of Patras)}, address = {Patra}, keywords = {Nycticorax nycticorax nycticorax, Nycticorax, bird, colony, heron, Kerkini, lake, level, Night-Heron, water, αποικία, επίπεδο, ερωδιός, Κερκίνη, λίμνη, νερό, πουλί}, author = {Birtsas, P. and Papageorgiou, N} }